code: def test_regression_target_color_type():
      """
      Test regression target color type
      """
      _, y = make_regression()
      assert target_color_type(y) == TargetType.CONTINUOUS
  
file_path: yellowbrick/tests/test_utils/test_target.py
imports: import pytest
  import numpy
  from yellowbrick.utils.target import *
  from yellowbrick.exceptions import YellowbrickValueError
  from sklearn.datasets import make_regression, make_classification
label_desc: Use image node_id 3 for calling a global function with example usage: test_regression_target_color_type() without return types